首页 > 专利技术

机械式四档变速器(有全套图纸)

毕业设计（论文）题目：

机械式四档变速器设计

毕业设计（论文）要求及原始数据（资料）：

1. 发动机额定功率级最高转速：80KW，4800r/min;

2. 变速器的参数选择.

狗扣（1）中心距A的选择.

（2）变速器轴向尺寸，四档(3.0～3.4)A

（3）轴的直径d.

（4）齿轮参数.

（5）各档齿轮齿数的分配.

3.变速器传动简图.

毕业设计（论文）主要内容：

1. 变速器传动系统的总体设计.

2. 传动系统的设计.

3. 轴齿轮的加工.

学生应交出的设计文件（论文）：

1、设计说明书一份。

2、总装配图一张。（O号）

3、组件图一张。（1号）

4、零件图两张(手工绘制)。（2号）

主要参考文献（资料）：

李澄. 机械制图. 高等教育出版社出版；

卜炎. 机械设计传动装置手册. 机械工业出版社发行 1998.12出版

邓文英. 金属工艺学. 高等教育出版.2000.7出版

沈养中. 工程力学. 高等教育出版社地籍测量.2003.7出版

屠卫星. 汽车底盘构造. 人民交通出版社.2001.8出版

成大先. 机械设计图图册. 化学工业出版社.2000.3出版

张勇第一联动. 电机拖动与控制. 机械工业出版社. 2004.6出版

李澄、吴天生、闻百桥. 机械制图. 高等教育出版社.2003.8出版

电压互感器柜

吴昌林、唐增宝、钟毅芳.机械设计.华中科技大学出版社 2001.2出版

专业班级机电工程1班学生丁伟

要求设计（论文）工作起止日期 3月12日 — 6月10日

指导教师签字日期

教研室主任审查签字日期

系主任批准签字日期

摘要························································3

Abstract····················································3

变速器的简介················································4

1.变速器传动机构的方案分析································铍青铜热处理6

2.变速器零、部件结构方案分析······························7

3.变速器操纵机构··········································8

1.变速器的参数选择··········································8

1.1 一档齿轮齿数的确定····································8

1.2 中心距A的选择········································9

1.3 确定齿轮参数·········································10

1.3.1 齿宽选择·······································10

1.3.2 压力角·········································11

1.3.3 齿轮螺旋角·····································11

1.3.4 校验齿轮的接触强度·····························11

1.4 rtyrty变速器轴向尺寸·······································13

1.5 轴的直径·············································13

1.6 各档齿轮齿数的分配···································14

1.6.1 确定常啮合传动齿轮副的齿数·····················14

1.6.2 确定其他各档的齿数·····························15

2.变速器传动···············································16

2.1 传动简图·············································16

2.2 同步器（简介）········································16

2.2.1 惯性式同步机···································18

2.2.2 同步器工作原理·································18

2.2.3 齿轮材料·······································19

2.2.4 齿轮材料、热处理·······························20

2.2.5 齿轮精度等级···································20

3.故障诊断与检修···········································21

3.1 常见故障与检修·······································21

3.1.1 变速器的异常声响·······························21

3.1.2 变速器跳档·····································22

3.1.3 挂档困难·······································22

本文发布于:2024-09-22 17:31:46，感谢您对本站的认可！

本文链接：https://www.17tex.com/tex/3/111893.html

上一篇：自行车变速器的正确使用方法

下一篇：变速自行车(21速)变速器使用方法

标签：变速器齿轮设计

留言与评论（共有 0 条评论）